Home / 157,382,015.80-236,073,023.70-55,132,767.40

Finding the Fourth Proportional to 157,382,015.80, 236,073,023.70 and 55,132,767.40

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Solution

The fourth proportional to 157,382,015.80, 236,073,023.70 and 55,132,767.40 is: 82,699,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382,015.80 : 236,073,023.70 = 55,132,767.40 : x
  2. Step 2: Convert to fraction form
    157,382,015.80/236,073,023.70 = 55,132,767.40/x
  3. Step 3: Cross multiply
    157,382,015.80x = 236,073,023.70 × 55,132,767.40
  4. Step 4: Simplify right side
    157,382,015.80x = 13,015,359,105,066,786
  5. Step 5: Solve for x
    x = 13,015,359,105,066,786/157,382,015.80
  6. Step 6: Final answer
    x = 82,699,151.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.